made changing to connect with Web Client
add Authentication (with password in requestHeader) for using any method in controller
add Async methods calling, fix tests with AsyncResult
update to scala 2.10, play 2.1, update json api
added json_api package
update json_api for User type
update UserController
update CampaignController with json_api
added tests for json_api with Campaign type
update json_api for Performance type
updated CampaignController with json_api, fixed tests
updated json_api, controllers and tests for BannerReport
updated json_api, controllers and tests for Recommendation
fixed test
fixed BannerPhraseInfo with Option
add pg evolutions script
add Procfile for heroku
fixed CampaignPerformance with detailed stats during a day
fixed bugs
fixed time for CampaignPerformance